Generate random string using Javascript

Hi friends.In this article i am going to show how to create random string using javascript

Using Onclick() event i have created random string.

Description:

Onclick event when user click an event or button.

HTML Code

  <table>

      <form id="form" action="#"  method="post" name="randform">

        <tr>

          <td class="text" height="34">Coupon Code <span style="color:#FF0000">*</span></td>

          <td>

            <input type="text" name="Coupon" required class="t-box1"/>

            &nbsp;

            <input type="button" value="Genereate Code" id="generate" onClick="randomString();" class="btn btn-primary"/></td>

        </tr>

      </form>

    </table>

Jquery Code

 <script language="javascript" type="text/javascript">

function randomString() { var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";

var string_length = 8;

var randomstring = '';

for (var i=0; i<string_length; i++) {

var rnum = Math.floor(Math.random() * chars.length);

randomstring += chars.substring(rnum,rnum+1);

}

document.randform.Coupon.value = randomstring;

}

</script>

Please share your comments and feedback here.Thanks..!